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Apache config for Worker MPM vs Prefork MPM

Some installations of Apache will have been compiled to work with either Prefork or Worker MPM, but most by default are compiled only to work with Prefork. Changing to Worker MPM may allow your server to handle much higher traffic, more user sessions, with less RAM use. Your site or server will not scale well if it is running Prefork MPM. Worker is a bit more difficult to set up properly, and has some restrictions regarding functionality of PHP… 16, 1, 1, 0 and 3132.88

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APC INFO Monitor

How to Configure APC Cache on Virtual Servers with PHP running under FCGId

…d raise your server and thread limits to sane levels in httpd.conf If possible, you may wish to run Apache with Worker MPM instead of Prefork MPM. More information about Apache Worker MPM vs. Prefork MPM » Installation Suggestions and Modification of Defaults Be sure to install the newest version of APC, 3.1.9 as of the last revision of this post (I assume you know how to install and configure all the packages mentioned in this post): pecl ins… 2, 0, 0, 0 and 1234.94

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Tuning Apache and MySQL for Best Performance in a Shared Virtual Hosting Environment

…how much space your innodb indexes take up it may be safe to increase this value to up to 2 / 3 of total system memory MEMORY USAGE Max Memory Ever Allocated : 345 M Configured Max Per-thread Buffers : 962 M Configured Max Global Buffers : 282 M Configured Max Memory Limit : 1.21 G Physical Memory : 2.00 G Max memory limit seem to be within acceptable norms KEY BUFFER Current MyISAM index space = 9 M Current key_buffer_size = 256 M Key cache m… 1, 0, 0, 0 and 974.95

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Varnish VCL and Config for WordPress with W3 Total Cache

…# # # Shared secret file for admin interface VARNISH_SECRET_FILE=/etc/varnish/secret # # # The minimum number of worker threads to start VARNISH_MIN_THREADS=1 # # # The Maximum number of worker threads to start VARNISH_MAX_THREADS=1000 # # # Idle timeout for worker threads VARNISH_THREAD_TIMEOUT=120 # # # Cache file location if using file cache #VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin # # # Cache size: in bytes, optionally using… 3, 0, 0, 0 and 363.98

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WordPress with W3 Total Cache on Nginx with APC (Virtualmin)

…php-fcgi-domain2-com restart The service may also be restarted via Webmin > Services > Bootup and Shutdown Memory Considerations PHP FCGId will launch the number of sub-processes you specify in Virtualmin > Server Configuration > Website Options, so beware of the memory overhead if you specify a large number, because each will consume the amount of memory specified in  apc.shm_size. You may need to experiment with this value, dependin… 6, 0, 0, 0 and 311.98

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Résumé

Chris Gilligan Information Architect, Web Server Administrator, Media Producer web • video • print chris@chrisgilligan.net chrisgilligan.com I design and produce information and communication media for university, corporate, small business, manufacturing and non-profit clients: web sites Information architecture and design for open source content management systems Linux Apache MySQL PHP web server administration Postfix Dovecot Sendmail […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

APC cache does not work well in a virtual hosting environment unless PHP is running as FCGID, and every individual virtual host has a unique PHP.ini and a unique fcgiwrapper. This is not the case with many virtual hosting environments because the memory and CPU requirements are too great. I suggest using Virtualmin for a shared hosting environment with APC cache, because it does allow to set php.ini and fcgiwrapper for every individual virtual h… 2, 0, 0, 0 and 103.99

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Web Hosting

Decades of experience hosting websites, from small local sites with only a few html pages, to high-traffic sites with thousands of users and pages.  Website hosting, evolved Web hosting has changed dramatically in the last few years. The majority of accounts are now running PHP scripts and MySQL, whereas in the past most accounts were only […]

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SoccerNews.com website

Apache and MySql Performance Tuning for High Traffic WordPress Website on Cpanel

SoccerNews.com is a high traffic WordPress site with over 600,000 unique visitors and over 2,000,000 page impressions per month. It is a content republisher and aggregator, presenting custom XML feeds for (what else?) soccer news from all over the world. The site has a very active user base, providing content in the forms of editorials and comments on news items. Advertising and sponsored referrals provide the revenue stream. SoccerNews.com web… 0, 0, 1, 0 and 39

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